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This is a custom feed of BioLogos resources. Make a new feed at http://biologos.org/resources/findenCopyright 2015 BioLogos2015-08-02T11:55:16-08:00http://biologos.org/_base/img/BioLogos@2x.pngCustom Feed - The BioLogos Forumhttp://biologos.org/resources/find?search_method=or&amp;tags-topics=65&amp;tags-format=82&amp;sort_by=newest&utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_Syndication
What is the genetic evidence for human evolution?http://biologos.org/questions/what-scientific-evidence-do-we-have-about-the-first-humans?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_Syndication
http://biologos.org/questions/what-scientific-evidence-do-we-have-about-the-first-humans?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_SyndicationIn recent decades, scientists have discovered more about the beginnings of humanity. The fossil record shows a gradual transition over 5 million years ago from chimpanzee-size creatures to hominids with larger brains who walked on two legs. Later hominids used fire and stone tools and had brains as large as modern humans. Fossils of homo sapiens in east Africa date back nearly 200,000 years. Humans developed hearths for fire, stone points for spears and arrows, and cave paintings by 30,000 years ago. By 10,000 years ago, humans had spread throughout the globe. Genetic studies support the same picture. Humans share more DNA with chimpanzees than with any other animal, suggesting that humans and chimps share a relatively recent common ancestor. Also, the same defective genes appear in both humans and chimps, at the same locations in the genome—an observation difficult to explain except by common ancestry. Genetics also tells us that the human population today descended from more than two people. Evolution happens not to individuals but to populations, and the amount of genetic diversity in the gene pool today suggests that the human population was never smaller than several thousand individuals. Yet all humans, of all races, are descended from this group. Humanity is one family.Thu, 12 Jul 2012 14:34:50 -0700Does the Cambrian Explosion pose a challenge to evolution?http://biologos.org/questions/cambrian-explosion?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_Syndication
http://biologos.org/questions/cambrian-explosion?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_SyndicationThe “Cambrian Explosion” refers to the appearance in the fossil record of most major animal body plans about 543 million years ago. The new fossils appear in an interval of 20 million years or less. On evolutionary time scales, 20 million years is a rapid burst that appears to be inconsistent with the gradual pace of evolutionary change. However, rapid changes like this appear at other times in the fossil record, often following times of major extinction. The Cambrian Explosion does present a number of interesting and important research questions. It does not, however, challenge the fundamental correctness of the central thesis of evolution.Thu, 23 Apr 2009 09:00:26 -0700What does the fossil record show?http://biologos.org/questions/fossil-record?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_Syndication
http://biologos.org/questions/fossil-record?utm_source=RSS_Feed&amp;utm_medium=RSS&amp;utm_campaign=RSS_SyndicationFossils provide a unique view into the history of life by showing the forms and features of life in the past. Fossils tell us how species have changed across long periods of the Earth’s history. For instance, in 1998, scientists found a fossil showing an animal at the transition from sea creature to land creature. This tetrapod had a hand-like fin, confirming a prediction of evolutionary biology. Though the fossil record does not include every plant and animal that ever lived, it provides substantial evidence for the common descent of life via evolution. The fossil record is a remarkable gift for the study of nature.Fri, 17 Apr 2009 16:30:19 -0700